TM 9-2320-260-10
Table 3-1. Troubleshooting (Cont'd)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 4.
Check transmission gearshift.
Be sure transmission gearshift is engaged.
Step 5.
Check to see if tachometer indicates 1250 rpm.
If not, adjust hand throttle control so engine idle speed is set at 1250 ± 50 rpm.
Step 6.
Check to see if transfer power takeoff is engaged.
If not, engage transfer power takeoff.
32. CRANE DOES NOT LIFT.
Step 1.
Check level of hydraulic oil in reservoir.
If low, add oil to proper level. (Refer to LO 9-2320-260-12.)
Step 2.
Check for hydraulic leaks.
If leaks are found, notify organizational maintenance.
33. HYDRAULIC PUMP NOISY.
Check level of hydraulic oil in reservoir.
If low, add oil to proper level. (Refer to LO 9-2320-260-12.)
REAR WINCH
34. WINCH FAILS TO OPERATE OR LACKS POWER.
Step 1.
Check to see if power takeoff is engaged.
If not, engage power takeoff.
Step 2.
Check to see if power divider is engaged.
If not, engage power divider.
Step 3.
Check to see if level wind lock knob is released.
If not, release level wind lock knob.
Step 4.
Check to see if cable tensioner switch is down to engaged position for winding operation.
If not, pull cable tensioner switch down to engage tensioner for winding operation.
Step 5.
Check for broken propeller shaft shear pin.
Replace shear pin if broken.
DUMP BODY HOIST
35. HOIST DOES NOT LIFT DUMP BODY.
Step 1.
Check to see if power takeoff is engaged.
If not, engage power takeoff.
Step 2.
Check to see if dump body control lever is pulled back to RAISE position.
If not, pull lever back to RAISE position.
Step 3.
Check level of hydraulic oil in reservoir.
If low, add oil to proper level. (Refer to LO 9-2320-260-12.)
Step 4.
Check for hydraulic leaks.
If leaks are found, notify organizational maintenance.
36. BODY RAISES TO FULL DUMP BUT DOES NOT POWER DOWN.
Check to see if dump body control lever is pushed full forward to LOWER position.
If not, push lever full forward to LOWER position.
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